#ifdef __cplusplus
extern "C" {
#endif

	/*
	 * jpeglib.h
	 *
	 * Copyright (C) 1991-1998, Thomas G. Lane.
	 * This file is part of the Independent JPEG Group's software.
	 * For conditions of distribution and use, see the accompanying README file.
	 *
	 * This file defines the application interface for the JPEG library.
	 * Most applications using the library need only include this file,
	 * and perhaps jerror.h if they want to know the exact error codes.
	 */

#ifndef JPEGLIB_H
#define JPEGLIB_H

	/*
	 * First we include the configuration files that record how this
	 * installation of the JPEG library is set up.  jconfig.h can be
	 * generated automatically for many systems.  jmorecfg.h contains
	 * manual configuration options that most people need not worry about.
	 */

#ifndef JCONFIG_INCLUDED	/* in case jinclude.h already did */
#include "jconfig.h"		/* widely used configuration options */
#endif
#include "jmorecfg.h"		/* seldom changed options */


	/* Version ID for the JPEG library.
	 * Might be useful for tests like "#if JPEG_LIB_VERSION >= 60".
	 */

#define JPEG_LIB_VERSION  62	/* Version 6b */


	/* Various constants determining the sizes of things.
	 * All of these are specified by the JPEG standard, so don't change them
	 * if you want to be compatible.
	 */

#define DCTSIZE		    8	/* The basic DCT block is 8x8 samples */
#define DCTSIZE2	    64	/* DCTSIZE squared; # of elements in a block */
#define NUM_QUANT_TBLS      4	/* Quantization tables are numbered 0..3 */
#define NUM_HUFF_TBLS       4	/* Huffman tables are numbered 0..3 */
#define NUM_ARITH_TBLS      16	/* Arith-coding tables are numbered 0..15 */
#define MAX_COMPS_IN_SCAN   4	/* JPEG limit on # of components in one scan */
#define MAX_SAMP_FACTOR     4	/* JPEG limit on sampling factors */
	/* Unfortunately, some bozo at Adobe saw no reason to be bound by the standard;
	 * the PostScript DCT filter can emit files with many more than 10 blocks/MCU.
	 * If you happen to run across such a file, you can up D_MAX_BLOCKS_IN_MCU
	 * to handle it.  We even let you do this from the jconfig.h file.  However,
	 * we strongly discourage changing C_MAX_BLOCKS_IN_MCU; just because Adobe
	 * sometimes emits noncompliant files doesn't mean you should too.
	 */
#define C_MAX_BLOCKS_IN_MCU   10 /* compressor's limit on blocks per MCU */
#ifndef D_MAX_BLOCKS_IN_MCU
#define D_MAX_BLOCKS_IN_MCU   10 /* decompressor's limit on blocks per MCU */
#endif


	/* Data structures for images (arrays of samples and of DCT coefficients).
	 * On 80x86 machines, the image arrays are too big for near pointers,
	 * but the pointer arrays can fit in near memory.
	 */

	typedef JSAMPLE FAR * JSAMPROW;	/* ptr to one image row of pixel samples. */
	typedef JSAMPROW * JSAMPARRAY;	/* ptr to some rows (a 2-D sample array) */
	typedef JSAMPARRAY * JSAMPIMAGE;	/* a 3-D sample array: top index is color */

	typedef JCOEF JBLOCK[DCTSIZE2];	/* one block of coefficients */
	typedef JBLOCK FAR * JBLOCKROW;	/* pointer to one row of coefficient blocks */
	typedef JBLOCKROW * JBLOCKARRAY;		/* a 2-D array of coefficient blocks */
	typedef JBLOCKARRAY * JBLOCKIMAGE;	/* a 3-D array of coefficient blocks */

	typedef JCOEF FAR * JCOEFPTR;	/* useful in a couple of places */


	/* Types for JPEG compression parameters and working tables. */


	/* DCT coefficient quantization tables. */

	typedef struct
	{
		/* This array gives the coefficient quantizers in natural array order
		 * (not the zigzag order in which they are stored in a JPEG DQT marker).
		 * CAUTION: IJG versions prior to v6a kept this array in zigzag order.
		 */
		UINT16 quantval[DCTSIZE2];	/* quantization step for each coefficient */
		/* This field is used only during compression.  It's initialized FALSE when
		 * the table is created, and set TRUE when it's been output to the file.
		 * You could suppress output of a table by setting this to TRUE.
		 * (See jpeg_suppress_tables for an example.)
		 */
		boolean sent_table;		/* TRUE when table has been output */
	} JQUANT_TBL;


	/* Huffman coding tables. */

	typedef struct
	{
		/* These two fields directly represent the contents of a JPEG DHT marker */
		UINT8 bits[17];		/* bits[k] = # of symbols with codes of */
		/* length k bits; bits[0] is unused */
		UINT8 huffval[256];		/* The symbols, in order of incr code length */
		/* This field is used only during compression.  It's initialized FALSE when
		 * the table is created, and set TRUE when it's been output to the file.
		 * You could suppress output of a table by setting this to TRUE.
		 * (See jpeg_suppress_tables for an example.)
		 */
		boolean sent_table;		/* TRUE when table has been output */
	} JHUFF_TBL;


	/* Basic info about one component (color channel). */

	typedef struct
	{
		/* These values are fixed over the whole image. */
		/* For compression, they must be supplied by parameter setup; */
		/* for decompression, they are read from the SOF marker. */
		int component_id;		/* identifier for this component (0..255) */
		int component_index;		/* its index in SOF or cinfo->comp_info[] */
		int h_samp_factor;		/* horizontal sampling factor (1..4) */
		int v_samp_factor;		/* vertical sampling factor (1..4) */
		int quant_tbl_no;		/* quantization table selector (0..3) */
		/* These values may vary between scans. */
		/* For compression, they must be supplied by parameter setup; */
		/* for decompression, they are read from the SOS marker. */
		/* The decompressor output side may not use these variables. */
		int dc_tbl_no;		/* DC entropy table selector (0..3) */
		int ac_tbl_no;		/* AC entropy table selector (0..3) */

		/* Remaining fields should be treated as private by applications. */

		/* These values are computed during compression or decompression startup: */
		/* Component's size in DCT blocks.
		 * Any dummy blocks added to complete an MCU are not counted; therefore
		 * these values do not depend on whether a scan is interleaved or not.
		 */
		JDIMENSION width_in_blocks;
		JDIMENSION height_in_blocks;
		/* Size of a DCT block in samples.  Always DCTSIZE for compression.
		 * For decompression this is the size of the output from one DCT block,
		 * reflecting any scaling we choose to apply during the IDCT step.
		 * Values of 1,2,4,8 are likely to be supported.  Note that different
		 * components may receive different IDCT scalings.
		 */
		int DCT_scaled_size;
		/* The downsampled dimensions are the component's actual, unpadded number
		 * of samples at the main buffer (preprocessing/compression interface), thus
		 * downsampled_width = ceil(image_width * Hi/Hmax)
		 * and similarly for height.  For decompression, IDCT scaling is included, so
		 * downsampled_width = ceil(image_width * Hi/Hmax * DCT_scaled_size/DCTSIZE)
		 */
		JDIMENSION downsampled_width;	 /* actual width in samples */
		JDIMENSION downsampled_height; /* actual height in samples */
		/* This flag is used only for decompression.  In cases where some of the
		 * components will be ignored (eg grayscale output from YCbCr image),
		 * we can skip most computations for the unused components.
		 */
		boolean component_needed;	/* do we need the value of this component? */

		/* These values are computed before starting a scan of the component. */
		/* The decompressor output side may not use these variables. */
		int MCU_width;		/* number of blocks per MCU, horizontally */
		int MCU_height;		/* number of blocks per MCU, vertically */
		int MCU_blocks;		/* MCU_width * MCU_height */
		int MCU_sample_width;		/* MCU width in samples, MCU_width*DCT_scaled_size */
		int last_col_width;		/* # of non-dummy blocks across in last MCU */
		int last_row_height;		/* # of non-dummy blocks down in last MCU */

		/* Saved quantization table for component; NULL if none yet saved.
		 * See jdinput.c comments about the need for this information.
		 * This field is currently used only for decompression.
		 */
		JQUANT_TBL * quant_table;

		/* Private per-component storage for DCT or IDCT subsystem. */
		void * dct_table;
	} jpeg_component_info;


	/* The script for encoding a multiple-scan file is an array of these: */

	typedef struct
	{
		int comps_in_scan;		/* number of components encoded in this scan */
		int component_index[MAX_COMPS_IN_SCAN]; /* their SOF/comp_info[] indexes */
		int Ss, Se;			/* progressive JPEG spectral selection parms */
		int Ah, Al;			/* progressive JPEG successive approx. parms */
	} jpeg_scan_info;

	/* The decompressor can save APPn and COM markers in a list of these: */

	typedef struct jpeg_marker_struct FAR * jpeg_saved_marker_ptr;

	struct jpeg_marker_struct
	{
		jpeg_saved_marker_ptr next;	/* next in list, or NULL */
		UINT8 marker;			/* marker code: JPEG_COM, or JPEG_APP0+n */
		unsigned int original_length;	/* # bytes of data in the file */
		unsigned int data_length;	/* # bytes of data saved at data[] */
		JOCTET FAR * data;		/* the data contained in the marker */
		/* the marker length word is not counted in data_length or original_length */
	};

	/* Known color spaces. */

	typedef enum
	{
		JCS_UNKNOWN,		/* error/unspecified */
		JCS_GRAYSCALE,		/* monochrome */
		JCS_RGB,		/* red/green/blue */
		JCS_YCbCr,		/* Y/Cb/Cr (also known as YUV) */
		JCS_CMYK,		/* C/M/Y/K */
		JCS_YCCK		/* Y/Cb/Cr/K */
	} J_COLOR_SPACE;

	/* DCT/IDCT algorithm options. */

	typedef enum
	{
		JDCT_ISLOW,		/* slow but accurate integer algorithm */
		JDCT_IFAST,		/* faster, less accurate integer method */
		JDCT_FLOAT		/* floating-point: accurate, fast on fast HW */
	} J_DCT_METHOD;

#ifndef JDCT_DEFAULT		/* may be overridden in jconfig.h */
#define JDCT_DEFAULT  JDCT_ISLOW
#endif
#ifndef JDCT_FASTEST		/* may be overridden in jconfig.h */
#define JDCT_FASTEST  JDCT_IFAST
#endif

	/* Dithering options for decompression. */

	typedef enum
	{
		JDITHER_NONE,		/* no dithering */
		JDITHER_ORDERED,	/* simple ordered dither */
		JDITHER_FS		/* Floyd-Steinberg error diffusion dither */
	} J_DITHER_MODE;


	/* Common fields between JPEG compression and decompression master structs. */

#define jpeg_common_fields \
	struct jpeg_error_mgr * err;	/* Error handler module */\
	struct jpeg_memory_mgr * mem;	/* Memory manager module */\
	struct jpeg_progress_mgr * progress; /* Progress monitor, or NULL if none */\
	void * client_data;		/* Available for use by application */\
	boolean is_decompressor;	/* So common code can tell which is which */\
	int global_state		/* For checking call sequence validity */

	/* Routines that are to be used by both halves of the library are declared
	 * to receive a pointer to this structure.  There are no actual instances of
	 * jpeg_common_struct, only of jpeg_compress_struct and jpeg_decompress_struct.
	 */
	struct jpeg_common_struct
	{
		jpeg_common_fields;		/* Fields common to both master struct types */
		/* Additional fields follow in an actual jpeg_compress_struct or
		 * jpeg_decompress_struct.  All three structs must agree on these
		 * initial fields!  (This would be a lot cleaner in C++.)
		 */
	};

	typedef struct jpeg_common_struct * j_common_ptr;
	typedef struct jpeg_compress_struct * j_compress_ptr;
	typedef struct jpeg_decompress_struct * j_decompress_ptr;


	/* Master record for a compression instance */

	struct jpeg_compress_struct
	{
		jpeg_common_fields;		/* Fields shared with jpeg_decompress_struct */

		/* Destination for compressed data */
		struct jpeg_destination_mgr * dest;

		/* Description of source image --- these fields must be filled in by
		 * outer application before starting compression.  in_color_space must
		 * be correct before you can even call jpeg_set_defaults().
		 */

		JDIMENSION image_width;	/* input image width */
		JDIMENSION image_height;	/* input image height */
		int input_components;		/* # of color components in input image */
		J_COLOR_SPACE in_color_space;	/* colorspace of input image */

		double input_gamma;		/* image gamma of input image */

		/* Compression parameters --- these fields must be set before calling
		 * jpeg_start_compress().  We recommend calling jpeg_set_defaults() to
		 * initialize everything to reasonable defaults, then changing anything
		 * the application specifically wants to change.  That way you won't get
		 * burnt when new parameters are added.  Also note that there are several
		 * helper routines to simplify changing parameters.
		 */

		int data_precision;		/* bits of precision in image data */

		int num_components;		/* # of color components in JPEG image */
		J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */

		jpeg_component_info * comp_info;
		/* comp_info[i] describes component that appears i'th in SOF */

		JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS];
		/* ptrs to coefficient quantization tables, or NULL if not defined */

		JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
		JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
		/* ptrs to Huffman coding tables, or NULL if not defined */

		UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */
		UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */
		UINT8 arith_ac_K[NUM_ARITH_TBLS]; /* Kx values for AC arith-coding tables */

		int num_scans;		/* # of entries in scan_info array */
		const jpeg_scan_info * scan_info; /* script for multi-scan file, or NULL */
		/* The default value of scan_info is NULL, which causes a single-scan
		 * sequential JPEG file to be emitted.  To create a multi-scan file,
		 * set num_scans and scan_info to point to an array of scan definitions.
		 */

		boolean raw_data_in;		/* TRUE=caller supplies downsampled data */
		boolean arith_code;		/* TRUE=arithmetic coding, FALSE=Huffman */
		boolean optimize_coding;	/* TRUE=optimize entropy encoding parms */
		boolean CCIR601_sampling;	/* TRUE=first samples are cosited */
		int smoothing_factor;		/* 1..100, or 0 for no input smoothing */
		J_DCT_METHOD dct_method;	/* DCT algorithm selector */

		/* The restart interval can be specified in absolute MCUs by setting
		 * restart_interval, or in MCU rows by setting restart_in_rows
		 * (in which case the correct restart_interval will be figured
		 * for each scan).
		 */
		unsigned int restart_interval; /* MCUs per restart, or 0 for no restart */
		int restart_in_rows;		/* if > 0, MCU rows per restart interval */

		/* Parameters controlling emission of special markers. */

		boolean write_JFIF_header;	/* should a JFIF marker be written? */
		UINT8 JFIF_major_version;	/* What to write for the JFIF version number */
		UINT8 JFIF_minor_version;
		/* These three values are not used by the JPEG code, merely copied */
		/* into the JFIF APP0 marker.  density_unit can be 0 for unknown, */
		/* 1 for dots/inch, or 2 for dots/cm.  Note that the pixel aspect */
		/* ratio is defined by X_density/Y_density even when density_unit=0. */
		UINT8 density_unit;		/* JFIF code for pixel size units */
		UINT16 X_density;		/* Horizontal pixel density */
		UINT16 Y_density;		/* Vertical pixel density */
		boolean write_Adobe_marker;	/* should an Adobe marker be written? */

		/* State variable: index of next scanline to be written to
		 * jpeg_write_scanlines().  Application may use this to control its
		 * processing loop, e.g., "while (next_scanline < image_height)".
		 */

		JDIMENSION next_scanline;	/* 0 .. image_height-1  */

		/* Remaining fields are known throughout compressor, but generally
		 * should not be touched by a surrounding application.
		 */

		/*
		 * These fields are computed during compression startup
		 */
		boolean progressive_mode;	/* TRUE if scan script uses progressive mode */
		int max_h_samp_factor;	/* largest h_samp_factor */
		int max_v_samp_factor;	/* largest v_samp_factor */

		JDIMENSION total_iMCU_rows;	/* # of iMCU rows to be input to coef ctlr */
		/* The coefficient controller receives data in units of MCU rows as defined
		 * for fully interleaved scans (whether the JPEG file is interleaved or not).
		 * There are v_samp_factor * DCTSIZE sample rows of each component in an
		 * "iMCU" (interleaved MCU) row.
		 */

		/*
		 * These fields are valid during any one scan.
		 * They describe the components and MCUs actually appearing in the scan.
		 */
		int comps_in_scan;		/* # of JPEG components in this scan */
		jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN];
		/* *cur_comp_info[i] describes component that appears i'th in SOS */

		JDIMENSION MCUs_per_row;	/* # of MCUs across the image */
		JDIMENSION MCU_rows_in_scan;	/* # of MCU rows in the image */

		int blocks_in_MCU;		/* # of DCT blocks per MCU */
		int MCU_membership[C_MAX_BLOCKS_IN_MCU];
		/* MCU_membership[i] is index in cur_comp_info of component owning */
		/* i'th block in an MCU */

		int Ss, Se, Ah, Al;		/* progressive JPEG parameters for scan */

		/*
		 * Links to compression subobjects (methods and private variables of modules)
		 */
		struct jpeg_comp_master * master;
		struct jpeg_c_main_controller * main;
		struct jpeg_c_prep_controller * prep;
		struct jpeg_c_coef_controller * coef;
		struct jpeg_marker_writer * marker;
		struct jpeg_color_converter * cconvert;
		struct jpeg_downsampler * downsample;
		struct jpeg_forward_dct * fdct;
		struct jpeg_entropy_encoder * entropy;
		jpeg_scan_info * script_space; /* workspace for jpeg_simple_progression */
		int script_space_size;
	};


	/* Master record for a decompression instance */

	struct jpeg_decompress_struct
	{
		jpeg_common_fields;		/* Fields shared with jpeg_compress_struct */

		/* Source of compressed data */
		struct jpeg_source_mgr * src;

		/* Basic description of image --- filled in by jpeg_read_header(). */
		/* Application may inspect these values to decide how to process image. */

		JDIMENSION image_width;	/* nominal image width (from SOF marker) */
		JDIMENSION image_height;	/* nominal image height */
		int num_components;		/* # of color components in JPEG image */
		J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */

		/* Decompression processing parameters --- these fields must be set before
		 * calling jpeg_start_decompress().  Note that jpeg_read_header() initializes
		 * them to default values.
		 */

		J_COLOR_SPACE out_color_space; /* colorspace for output */

		unsigned int scale_num, scale_denom; /* fraction by which to scale image */

		double output_gamma;		/* image gamma wanted in output */

		boolean buffered_image;	/* TRUE=multiple output passes */
		boolean raw_data_out;		/* TRUE=downsampled data wanted */

		J_DCT_METHOD dct_method;	/* IDCT algorithm selector */
		boolean do_fancy_upsampling;	/* TRUE=apply fancy upsampling */
		boolean do_block_smoothing;	/* TRUE=apply interblock smoothing */

		boolean quantize_colors;	/* TRUE=colormapped output wanted */
		/* the following are ignored if not quantize_colors: */
		J_DITHER_MODE dither_mode;	/* type of color dithering to use */
		boolean two_pass_quantize;	/* TRUE=use two-pass color quantization */
		int desired_number_of_colors;	/* max # colors to use in created colormap */
		/* these are significant only in buffered-image mode: */
		boolean enable_1pass_quant;	/* enable future use of 1-pass quantizer */
		boolean enable_external_quant;/* enable future use of external colormap */
		boolean enable_2pass_quant;	/* enable future use of 2-pass quantizer */

		/* Description of actual output image that will be returned to application.
		 * These fields are computed by jpeg_start_decompress().
		 * You can also use jpeg_calc_output_dimensions() to determine these values
		 * in advance of calling jpeg_start_decompress().
		 */

		JDIMENSION output_width;	/* scaled image width */
		JDIMENSION output_height;	/* scaled image height */
		int out_color_components;	/* # of color components in out_color_space */
		int output_components;	/* # of color components returned */
		/* output_components is 1 (a colormap index) when quantizing colors;
		 * otherwise it equals out_color_components.
		 */
		int rec_outbuf_height;	/* min recommended height of scanline buffer */
		/* If the buffer passed to jpeg_read_scanlines() is less than this many rows
		 * high, space and time will be wasted due to unnecessary data copying.
		 * Usually rec_outbuf_height will be 1 or 2, at most 4.
		 */

		/* When quantizing colors, the output colormap is described by these fields.
		 * The application can supply a colormap by setting colormap non-NULL before
		 * calling jpeg_start_decompress; otherwise a colormap is created during
		 * jpeg_start_decompress or jpeg_start_output.
		 * The map has out_color_components rows and actual_number_of_colors columns.
		 */
		int actual_number_of_colors;	/* number of entries in use */
		JSAMPARRAY colormap;		/* The color map as a 2-D pixel array */

		/* State variables: these variables indicate the progress of decompression.
		 * The application may examine these but must not modify them.
		 */

		/* Row index of next scanline to be read from jpeg_read_scanlines().
		 * Application may use this to control its processing loop, e.g.,
		 * "while (output_scanline < output_height)".
		 */
		JDIMENSION output_scanline;	/* 0 .. output_height-1  */

		/* Current input scan number and number of iMCU rows completed in scan.
		 * These indicate the progress of the decompressor input side.
		 */
		int input_scan_number;	/* Number of SOS markers seen so far */
		JDIMENSION input_iMCU_row;	/* Number of iMCU rows completed */

		/* The "output scan number" is the notional scan being displayed by the
		 * output side.  The decompressor will not allow output scan/row number
		 * to get ahead of input scan/row, but it can fall arbitrarily far behind.
		 */
		int output_scan_number;	/* Nominal scan number being displayed */
		JDIMENSION output_iMCU_row;	/* Number of iMCU rows read */

		/* Current progression status.  coef_bits[c][i] indicates the precision
		 * with which component c's DCT coefficient i (in zigzag order) is known.
		 * It is -1 when no data has yet been received, otherwise it is the point
		 * transform (shift) value for the most recent scan of the coefficient
		 * (thus, 0 at completion of the progression).
		 * This pointer is NULL when reading a non-progressive file.
		 */
		int (*coef_bits)[DCTSIZE2];	/* -1 or current Al value for each coef */

		/* Internal JPEG parameters --- the application usually need not look at
		 * these fields.  Note that the decompressor output side may not use
		 * any parameters that can change between scans.
		 */

		/* Quantization and Huffman tables are carried forward across input
		 * datastreams when processing abbreviated JPEG datastreams.
		 */

		JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS];
		/* ptrs to coefficient quantization tables, or NULL if not defined */

		JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS];
		JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS];
		/* ptrs to Huffman coding tables, or NULL if not defined */

		/* These parameters are never carried across datastreams, since they
		 * are given in SOF/SOS markers or defined to be reset by SOI.
		 */

		int data_precision;		/* bits of precision in image data */

		jpeg_component_info * comp_info;
		/* comp_info[i] describes component that appears i'th in SOF */

		boolean progressive_mode;	/* TRUE if SOFn specifies progressive mode */
		boolean arith_code;		/* TRUE=arithmetic coding, FALSE=Huffman */

		UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */
		UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */
		UINT8 arith_ac_K[NUM_ARITH_TBLS]; /* Kx values for AC arith-coding tables */

		unsigned int restart_interval; /* MCUs per restart interval, or 0 for no restart */

		/* These fields record data obtained from optional markers recognized by
		 * the JPEG library.
		 */
		boolean saw_JFIF_marker;	/* TRUE iff a JFIF APP0 marker was found */
		/* Data copied from JFIF marker; only valid if saw_JFIF_marker is TRUE: */
		UINT8 JFIF_major_version;	/* JFIF version number */
		UINT8 JFIF_minor_version;
		UINT8 density_unit;		/* JFIF code for pixel size units */
		UINT16 X_density;		/* Horizontal pixel density */
		UINT16 Y_density;		/* Vertical pixel density */
		boolean saw_Adobe_marker;	/* TRUE iff an Adobe APP14 marker was found */
		UINT8 Adobe_transform;	/* Color transform code from Adobe marker */

		boolean CCIR601_sampling;	/* TRUE=first samples are cosited */

		/* Aside from the specific data retained from APPn markers known to the
		 * library, the uninterpreted contents of any or all APPn and COM markers
		 * can be saved in a list for examination by the application.
		 */
		jpeg_saved_marker_ptr marker_list; /* Head of list of saved markers */

		/* Remaining fields are known throughout decompressor, but generally
		 * should not be touched by a surrounding application.
		 */

		/*
		 * These fields are computed during decompression startup
		 */
		int max_h_samp_factor;	/* largest h_samp_factor */
		int max_v_samp_factor;	/* largest v_samp_factor */

		int min_DCT_scaled_size;	/* smallest DCT_scaled_size of any component */

		JDIMENSION total_iMCU_rows;	/* # of iMCU rows in image */
		/* The coefficient controller's input and output progress is measured in
		 * units of "iMCU" (interleaved MCU) rows.  These are the same as MCU rows
		 * in fully interleaved JPEG scans, but are used whether the scan is
		 * interleaved or not.  We define an iMCU row as v_samp_factor DCT block
		 * rows of each component.  Therefore, the IDCT output contains
		 * v_samp_factor*DCT_scaled_size sample rows of a component per iMCU row.
		 */

		JSAMPLE * sample_range_limit; /* table for fast range-limiting */

		/*
		 * These fields are valid during any one scan.
		 * They describe the components and MCUs actually appearing in the scan.
		 * Note that the decompressor output side must not use these fields.
		 */
		int comps_in_scan;		/* # of JPEG components in this scan */
		jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN];
		/* *cur_comp_info[i] describes component that appears i'th in SOS */

		JDIMENSION MCUs_per_row;	/* # of MCUs across the image */
		JDIMENSION MCU_rows_in_scan;	/* # of MCU rows in the image */

		int blocks_in_MCU;		/* # of DCT blocks per MCU */
		int MCU_membership[D_MAX_BLOCKS_IN_MCU];
		/* MCU_membership[i] is index in cur_comp_info of component owning */
		/* i'th block in an MCU */

		int Ss, Se, Ah, Al;		/* progressive JPEG parameters for scan */

		/* This field is shared between entropy decoder and marker parser.
		 * It is either zero or the code of a JPEG marker that has been
		 * read from the data source, but has not yet been processed.
		 */
		int unread_marker;

		/*
		 * Links to decompression subobjects (methods, private variables of modules)
		 */
		struct jpeg_decomp_master * master;
		struct jpeg_d_main_controller * main;
		struct jpeg_d_coef_controller * coef;
		struct jpeg_d_post_controller * post;
		struct jpeg_input_controller * inputctl;
		struct jpeg_marker_reader * marker;
		struct jpeg_entropy_decoder * entropy;
		struct jpeg_inverse_dct * idct;
		struct jpeg_upsampler * upsample;
		struct jpeg_color_deconverter * cconvert;
		struct jpeg_color_quantizer * cquantize;
	};


	/* "Object" declarations for JPEG modules that may be supplied or called
	 * directly by the surrounding application.
	 * As with all objects in the JPEG library, these structs only define the
	 * publicly visible methods and state variables of a module.  Additional
	 * private fields may exist after the public ones.
	 */


	/* Error handler object */

	struct jpeg_error_mgr
	{
		/* Error exit handler: does not return to caller */
		JMETHOD(void, error_exit, (j_common_ptr cinfo));
		/* Conditionally emit a trace or warning message */
		JMETHOD(void, emit_message, (j_common_ptr cinfo, int msg_level));
		/* Routine that actually outputs a trace or error message */
		JMETHOD(void, output_message, (j_common_ptr cinfo));
		/* Format a message string for the most recent JPEG error or message */
		JMETHOD(void, format_message, (j_common_ptr cinfo, char * buffer));
#define JMSG_LENGTH_MAX  200	/* recommended size of format_message buffer */
		/* Reset error state variables at start of a new image */
		JMETHOD(void, reset_error_mgr, (j_common_ptr cinfo));

		/* The message ID code and any parameters are saved here.
		 * A message can have one string parameter or up to 8 int parameters.
		 */
		int msg_code;
#define JMSG_STR_PARM_MAX  80
		union
		{
			int i[8];
			char s[JMSG_STR_PARM_MAX];
		} msg_parm;

		/* Standard state variables for error facility */

		int trace_level;		/* max msg_level that will be displayed */

		/* For recoverable corrupt-data errors, we emit a warning message,
		 * but keep going unless emit_message chooses to abort.  emit_message
		 * should count warnings in num_warnings.  The surrounding application
		 * can check for bad data by seeing if num_warnings is nonzero at the
		 * end of processing.
		 */
		long num_warnings;		/* number of corrupt-data warnings */

		/* These fields point to the table(s) of error message strings.
		 * An application can change the table pointer to switch to a different
		 * message list (typically, to change the language in which errors are
		 * reported).  Some applications may wish to add additional error codes
		 * that will be handled by the JPEG library error mechanism; the second
		 * table pointer is used for this purpose.
		 *
		 * First table includes all errors generated by JPEG library itself.
		 * Error code 0 is reserved for a "no such error string" message.
		 */
		const char * const * jpeg_message_table; /* Library errors */
		int last_jpeg_message;    /* Table contains strings 0..last_jpeg_message */
		/* Second table can be added by application (see cjpeg/djpeg for example).
		 * It contains strings numbered first_addon_message..last_addon_message.
		 */
		const char * const * addon_message_table; /* Non-library errors */
		int first_addon_message;	/* code for first string in addon table */
		int last_addon_message;	/* code for last string in addon table */
	};


	/* Progress monitor object */

	struct jpeg_progress_mgr
	{
		JMETHOD(void, progress_monitor, (j_common_ptr cinfo));

		long pass_counter;		/* work units completed in this pass */
		long pass_limit;		/* total number of work units in this pass */
		int completed_passes;		/* passes completed so far */
		int total_passes;		/* total number of passes expected */
	};


	/* Data destination object for compression */

	struct jpeg_destination_mgr
	{
		JOCTET * next_output_byte;	/* => next byte to write in buffer */
		size_t free_in_buffer;	/* # of byte spaces remaining in buffer */

		JMETHOD(void, init_destination, (j_compress_ptr cinfo));
		JMETHOD(boolean, empty_output_buffer, (j_compress_ptr cinfo));
		JMETHOD(void, term_destination, (j_compress_ptr cinfo));
	};


	/* Data source object for decompression */

	struct jpeg_source_mgr
	{
		const JOCTET * next_input_byte; /* => next byte to read from buffer */
		size_t bytes_in_buffer;	/* # of bytes remaining in buffer */

		JMETHOD(void, init_source, (j_decompress_ptr cinfo));
		JMETHOD(boolean, fill_input_buffer, (j_decompress_ptr cinfo));
		JMETHOD(void, skip_input_data, (j_decompress_ptr cinfo, long num_bytes));
		JMETHOD(boolean, resync_to_restart, (j_decompress_ptr cinfo, int desired));
		JMETHOD(void, term_source, (j_decompress_ptr cinfo));
	};


	/* Memory manager object.
	 * Allocates "small" objects (a few K total), "large" objects (tens of K),
	 * and "really big" objects (virtual arrays with backing store if needed).
	 * The memory manager does not allow individual objects to be freed; rather,
	 * each created object is assigned to a pool, and whole pools can be freed
	 * at once.  This is faster and more convenient than remembering exactly what
	 * to free, especially where malloc()/free() are not too speedy.
	 * NB: alloc routines never return NULL.  They exit to error_exit if not
	 * successful.
	 */

#define JPOOL_PERMANENT	0	/* lasts until master record is destroyed */
#define JPOOL_IMAGE	1	/* lasts until done with image/datastream */
#define JPOOL_NUMPOOLS	2

	typedef struct jvirt_sarray_control * jvirt_sarray_ptr;
	typedef struct jvirt_barray_control * jvirt_barray_ptr;


	struct jpeg_memory_mgr
	{
		/* Method pointers */
		JMETHOD(void *, alloc_small, (j_common_ptr cinfo, int pool_id,
		                              size_t sizeofobject));
		JMETHOD(void FAR *, alloc_large, (j_common_ptr cinfo, int pool_id,
		                                  size_t sizeofobject));
		JMETHOD(JSAMPARRAY, alloc_sarray, (j_common_ptr cinfo, int pool_id,
		                                   JDIMENSION samplesperrow,
		                                   JDIMENSION numrows));
		JMETHOD(JBLOCKARRAY, alloc_barray, (j_common_ptr cinfo, int pool_id,
		                                    JDIMENSION blocksperrow,
		                                    JDIMENSION numrows));
		JMETHOD(jvirt_sarray_ptr, request_virt_sarray, (j_common_ptr cinfo,
		        int pool_id,
		        boolean pre_zero,
		        JDIMENSION samplesperrow,
		        JDIMENSION numrows,
		        JDIMENSION maxaccess));
		JMETHOD(jvirt_barray_ptr, request_virt_barray, (j_common_ptr cinfo,
		        int pool_id,
		        boolean pre_zero,
		        JDIMENSION blocksperrow,
		        JDIMENSION numrows,
		        JDIMENSION maxaccess));
		JMETHOD(void, realize_virt_arrays, (j_common_ptr cinfo));
		JMETHOD(JSAMPARRAY, access_virt_sarray, (j_common_ptr cinfo,
		        jvirt_sarray_ptr ptr,
		        JDIMENSION start_row,
		        JDIMENSION num_rows,
		        boolean writable));
		JMETHOD(JBLOCKARRAY, access_virt_barray, (j_common_ptr cinfo,
		        jvirt_barray_ptr ptr,
		        JDIMENSION start_row,
		        JDIMENSION num_rows,
		        boolean writable));
		JMETHOD(void, free_pool, (j_common_ptr cinfo, int pool_id));
		JMETHOD(void, self_destruct, (j_common_ptr cinfo));

		/* Limit on memory allocation for this JPEG object.  (Note that this is
		 * merely advisory, not a guaranteed maximum; it only affects the space
		 * used for virtual-array buffers.)  May be changed by outer application
		 * after creating the JPEG object.
		 */
		long max_memory_to_use;

		/* Maximum allocation request accepted by alloc_large. */
		long max_alloc_chunk;
	};


	/* Routine signature for application-supplied marker processing methods.
	 * Need not pass marker code since it is stored in cinfo->unread_marker.
	 */
	typedef JMETHOD(boolean, jpeg_marker_parser_method, (j_decompress_ptr cinfo));


	/* Declarations for routines called by application.
	 * The JPP macro hides prototype parameters from compilers that can't cope.
	 * Note JPP requires double parentheses.
	 */

#ifdef HAVE_PROTOTYPES
#define JPP(arglist)	arglist
#else
#define JPP(arglist)	()
#endif


	/* Short forms of external names for systems with brain-damaged linkers.
	 * We shorten external names to be unique in the first six letters, which
	 * is good enough for all known systems.
	 * (If your compiler itself needs names to be unique in less than 15
	 * characters, you are out of luck.  Get a better compiler.)
	 */

#ifdef NEED_SHORT_EXTERNAL_NAMES
#define jpeg_std_error		jStdError
#define jpeg_CreateCompress	jCreaCompress
#define jpeg_CreateDecompress	jCreaDecompress
#define jpeg_destroy_compress	jDestCompress
#define jpeg_destroy_decompress	jDestDecompress
#define jpeg_stdio_dest		jStdDest
#define jpeg_stdio_src		jStdSrc
#define jpeg_set_defaults	jSetDefaults
#define jpeg_set_colorspace	jSetColorspace
#define jpeg_default_colorspace	jDefColorspace
#define jpeg_set_quality	jSetQuality
#define jpeg_set_linear_quality	jSetLQuality
#define jpeg_add_quant_table	jAddQuantTable
#define jpeg_quality_scaling	jQualityScaling
#define jpeg_simple_progression	jSimProgress
#define jpeg_suppress_tables	jSuppressTables
#define jpeg_alloc_quant_table	jAlcQTable
#define jpeg_alloc_huff_table	jAlcHTable
#define jpeg_start_compress	jStrtCompress
#define jpeg_write_scanlines	jWrtScanlines
#define jpeg_finish_compress	jFinCompress
#define jpeg_write_raw_data	jWrtRawData
#define jpeg_write_marker	jWrtMarker
#define jpeg_write_m_header	jWrtMHeader
#define jpeg_write_m_byte	jWrtMByte
#define jpeg_write_tables	jWrtTables
#define jpeg_read_header	jReadHeader
#define jpeg_start_decompress	jStrtDecompress
#define jpeg_read_scanlines	jReadScanlines
#define jpeg_finish_decompress	jFinDecompress
#define jpeg_read_raw_data	jReadRawData
#define jpeg_has_multiple_scans	jHasMultScn
#define jpeg_start_output	jStrtOutput
#define jpeg_finish_output	jFinOutput
#define jpeg_input_complete	jInComplete
#define jpeg_new_colormap	jNewCMap
#define jpeg_consume_input	jConsumeInput
#define jpeg_calc_output_dimensions	jCalcDimensions
#define jpeg_save_markers	jSaveMarkers
#define jpeg_set_marker_processor	jSetMarker
#define jpeg_read_coefficients	jReadCoefs
#define jpeg_write_coefficients	jWrtCoefs
#define jpeg_copy_critical_parameters	jCopyCrit
#define jpeg_abort_compress	jAbrtCompress
#define jpeg_abort_decompress	jAbrtDecompress
#define jpeg_abort		jAbort
#define jpeg_destroy		jDestroy
#define jpeg_resync_to_restart	jResyncRestart
#endif /* NEED_SHORT_EXTERNAL_NAMES */


	/* Default error-management setup */
	EXTERN(struct jpeg_error_mgr *) jpeg_std_error
	JPP((struct jpeg_error_mgr * err));

	/* Initialization of JPEG compression objects.
	 * jpeg_create_compress() and jpeg_create_decompress() are the exported
	 * names that applications should call.  These expand to calls on
	 * jpeg_CreateCompress and jpeg_CreateDecompress with additional information
	 * passed for version mismatch checking.
	 * NB: you must set up the error-manager BEFORE calling jpeg_create_xxx.
	 */
#define jpeg_create_compress(cinfo) \
	jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \
	                    (size_t) sizeof(struct jpeg_compress_struct))
#define jpeg_create_decompress(cinfo) \
	jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \
	                      (size_t) sizeof(struct jpeg_decompress_struct))
	EXTERN(void) jpeg_CreateCompress JPP((j_compress_ptr cinfo,
	                                      int version, size_t structsize));
	EXTERN(void) jpeg_CreateDecompress JPP((j_decompress_ptr cinfo,
	                                        int version, size_t structsize));
	/* Destruction of JPEG compression objects */
	EXTERN(void) jpeg_destroy_compress JPP((j_compress_ptr cinfo));
	EXTERN(void) jpeg_destroy_decompress JPP((j_decompress_ptr cinfo));

	/* Standard data source and destination managers: stdio streams. */
	/* Caller is responsible for opening the file before and closing after. */
	EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile));
	EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile));

	//DRIVER Decompression en MEMOIRE!!!
	EXTERN(void) jpeg_mem_src(j_decompress_ptr cinfo, char * inmem, int taille);
	EXTERN(void) jpeg_mem_reinitsrc(void * cinfo);

	/* Default parameter setup for compression */
	EXTERN(void) jpeg_set_defaults JPP((j_compress_ptr cinfo));
	/* Compression parameter setup aids */
	EXTERN(void) jpeg_set_colorspace JPP((j_compress_ptr cinfo,
	                                      J_COLOR_SPACE colorspace));
	EXTERN(void) jpeg_default_colorspace JPP((j_compress_ptr cinfo));
	EXTERN(void) jpeg_set_quality JPP((j_compress_ptr cinfo, int quality,
	                                   boolean force_baseline));
	EXTERN(void) jpeg_set_linear_quality JPP((j_compress_ptr cinfo,
	        int scale_factor,
	        boolean force_baseline));
	EXTERN(void) jpeg_add_quant_table JPP((j_compress_ptr cinfo, int which_tbl,
	                                       const unsigned int * basic_table,
	                                       int scale_factor,
	                                       boolean force_baseline));
	EXTERN(int) jpeg_quality_scaling JPP((int quality));
	EXTERN(void) jpeg_simple_progression JPP((j_compress_ptr cinfo));
	EXTERN(void) jpeg_suppress_tables JPP((j_compress_ptr cinfo,
	                                       boolean suppress));
	EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table JPP((j_common_ptr cinfo));
	EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table JPP((j_common_ptr cinfo));

	/* Main entry points for compression */
	EXTERN(void) jpeg_start_compress JPP((j_compress_ptr cinfo,
	                                      boolean write_all_tables));
	EXTERN(JDIMENSION) jpeg_write_scanlines JPP((j_compress_ptr cinfo,
	        JSAMPARRAY scanlines,
	        JDIMENSION num_lines));
	EXTERN(void) jpeg_finish_compress JPP((j_compress_ptr cinfo));

	/* Replaces jpeg_write_scanlines when writing raw downsampled data. */
	EXTERN(JDIMENSION) jpeg_write_raw_data JPP((j_compress_ptr cinfo,
	        JSAMPIMAGE data,
	        JDIMENSION num_lines));

	/* Write a special marker.  See libjpeg.doc concerning safe usage. */
	EXTERN(void) jpeg_write_marker
	JPP((j_compress_ptr cinfo, int marker,
	     const JOCTET * dataptr, unsigned int datalen));
	/* Same, but piecemeal. */
	EXTERN(void) jpeg_write_m_header
	JPP((j_compress_ptr cinfo, int marker, unsigned int datalen));
	EXTERN(void) jpeg_write_m_byte
	JPP((j_compress_ptr cinfo, int val));

	/* Alternate compression function: just write an abbreviated table file */
	EXTERN(void) jpeg_write_tables JPP((j_compress_ptr cinfo));

	/* Decompression startup: read start of JPEG datastream to see what's there */
	EXTERN(int) jpeg_read_header JPP((j_decompress_ptr cinfo,
	                                  boolean require_image));
	/* Return value is one of: */
#define JPEG_SUSPENDED		0 /* Suspended due to lack of input data */
#define JPEG_HEADER_OK		1 /* Found valid image datastream */
#define JPEG_HEADER_TABLES_ONLY	2 /* Found valid table-specs-only datastream */
	/* If you pass require_image = TRUE (normal case), you need not check for
	 * a TABLES_ONLY return code; an abbreviated file will cause an error exit.
	 * JPEG_SUSPENDED is only possible if you use a data source module that can
	 * give a suspension return (the stdio source module doesn't).
	 */

	/* Main entry points for decompression */
	EXTERN(boolean) jpeg_start_decompress JPP((j_decompress_ptr cinfo));
	EXTERN(JDIMENSION) jpeg_read_scanlines JPP((j_decompress_ptr cinfo,
	        JSAMPARRAY scanlines,
	        JDIMENSION max_lines));
	EXTERN(boolean) jpeg_finish_decompress JPP((j_decompress_ptr cinfo));

	/* Replaces jpeg_read_scanlines when reading raw downsampled data. */
	EXTERN(JDIMENSION) jpeg_read_raw_data JPP((j_decompress_ptr cinfo,
	        JSAMPIMAGE data,
	        JDIMENSION max_lines));

	/* Additional entry points for buffered-image mode. */
	EXTERN(boolean) jpeg_has_multiple_scans JPP((j_decompress_ptr cinfo));
	EXTERN(boolean) jpeg_start_output JPP((j_decompress_ptr cinfo,
	                                       int scan_number));
	EXTERN(boolean) jpeg_finish_output JPP((j_decompress_ptr cinfo));
	EXTERN(boolean) jpeg_input_complete JPP((j_decompress_ptr cinfo));
	EXTERN(void) jpeg_new_colormap JPP((j_decompress_ptr cinfo));
	EXTERN(int) jpeg_consume_input JPP((j_decompress_ptr cinfo));
	/* Return value is one of: */
	/* #define JPEG_SUSPENDED	0    Suspended due to lack of input data */
#define JPEG_REACHED_SOS	1 /* Reached start of new scan */
#define JPEG_REACHED_EOI	2 /* Reached end of image */
#define JPEG_ROW_COMPLETED	3 /* Completed one iMCU row */
#define JPEG_SCAN_COMPLETED	4 /* Completed last iMCU row of a scan */

	/* Precalculate output dimensions for current decompression parameters. */
	EXTERN(void) jpeg_calc_output_dimensions JPP((j_decompress_ptr cinfo));

	/* Control saving of COM and APPn markers into marker_list. */
	EXTERN(void) jpeg_save_markers
	JPP((j_decompress_ptr cinfo, int marker_code,
	     unsigned int length_limit));

	/* Install a special processing method for COM or APPn markers. */
	EXTERN(void) jpeg_set_marker_processor
	JPP((j_decompress_ptr cinfo, int marker_code,
	     jpeg_marker_parser_method routine));

	/* Read or write raw DCT coefficients --- useful for lossless transcoding. */
	EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients JPP((j_decompress_ptr cinfo));
	EXTERN(void) jpeg_write_coefficients JPP((j_compress_ptr cinfo,
	        jvirt_barray_ptr * coef_arrays));
	EXTERN(void) jpeg_copy_critical_parameters JPP((j_decompress_ptr srcinfo,
	        j_compress_ptr dstinfo));

	/* If you choose to abort compression or decompression before completing
	 * jpeg_finish_(de)compress, then you need to clean up to release memory,
	 * temporary files, etc.  You can just call jpeg_destroy_(de)compress
	 * if you're done with the JPEG object, but if you want to clean it up and
	 * reuse it, call this:
	 */
	EXTERN(void) jpeg_abort_compress JPP((j_compress_ptr cinfo));
	EXTERN(void) jpeg_abort_decompress JPP((j_decompress_ptr cinfo));

	/* Generic versions of jpeg_abort and jpeg_destroy that work on either
	 * flavor of JPEG object.  These may be more convenient in some places.
	 */
	EXTERN(void) jpeg_abort JPP((j_common_ptr cinfo));
	EXTERN(void) jpeg_destroy JPP((j_common_ptr cinfo));

	/* Default restart-marker-resync procedure for use by data source modules */
	EXTERN(boolean) jpeg_resync_to_restart JPP((j_decompress_ptr cinfo,
	        int desired));


	/* These marker codes are exported since applications and data source modules
	 * are likely to want to use them.
	 */

#define JPEG_RST0	0xD0	/* RST0 marker code */
#define JPEG_EOI	0xD9	/* EOI marker code */
#define JPEG_APP0	0xE0	/* APP0 marker code */
#define JPEG_COM	0xFE	/* COM marker code */


	/* If we have a brain-damaged compiler that emits warnings (or worse, errors)
	 * for structure definitions that are never filled in, keep it quiet by
	 * supplying dummy definitions for the various substructures.
	 */

#ifdef INCOMPLETE_TYPES_BROKEN
#ifndef JPEG_INTERNALS		/* will be defined in jpegint.h */
	struct jvirt_sarray_control
	{
		long dummy;
	};
	struct jvirt_barray_control
	{
		long dummy;
	};
	struct jpeg_comp_master
	{
		long dummy;
	};
	struct jpeg_c_main_controller
	{
		long dummy;
	};
	struct jpeg_c_prep_controller
	{
		long dummy;
	};
	struct jpeg_c_coef_controller
	{
		long dummy;
	};
	struct jpeg_marker_writer
	{
		long dummy;
	};
	struct jpeg_color_converter
	{
		long dummy;
	};
	struct jpeg_downsampler
	{
		long dummy;
	};
	struct jpeg_forward_dct
	{
		long dummy;
	};
	struct jpeg_entropy_encoder
	{
		long dummy;
	};
	struct jpeg_decomp_master
	{
		long dummy;
	};
	struct jpeg_d_main_controller
	{
		long dummy;
	};
	struct jpeg_d_coef_controller
	{
		long dummy;
	};
	struct jpeg_d_post_controller
	{
		long dummy;
	};
	struct jpeg_input_controller
	{
		long dummy;
	};
	struct jpeg_marker_reader
	{
		long dummy;
	};
	struct jpeg_entropy_decoder
	{
		long dummy;
	};
	struct jpeg_inverse_dct
	{
		long dummy;
	};
	struct jpeg_upsampler
	{
		long dummy;
	};
	struct jpeg_color_deconverter
	{
		long dummy;
	};
	struct jpeg_color_quantizer
	{
		long dummy;
	};
#endif /* JPEG_INTERNALS */
#endif /* INCOMPLETE_TYPES_BROKEN */


	/*
	 * The JPEG library modules define JPEG_INTERNALS before including this file.
	 * The internal structure declarations are read only when that is true.
	 * Applications using the library should not include jpegint.h, but may wish
	 * to include jerror.h.
	 */

#ifdef JPEG_INTERNALS
#include "jpegint.h"		/* fetch private declarations */
#include "jerror.h"		/* fetch error codes too */
#endif

#endif /* JPEGLIB_H */

#ifdef __cplusplus
}
#endif
